15821385

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 26922240

約数和(自身を除く): 11100855

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 983, 1073, 2949, 3219, 4915, 5365, 14745, 16095, 28507, 36371, 85521, 109113, 142535, 181855, 427605, 545565, 1054759, 3164277, 5273795, 15821385]

約数ペア:

[(1, 15821385), (3, 5273795), (5, 3164277), (15, 1054759), (29, 545565), (37, 427605), (87, 181855), (111, 142535), (145, 109113), (185, 85521), (435, 36371), (555, 28507), (983, 16095), (1073, 14745), (2949, 5365), (3219, 4915)]